#!/usr/bin/env bash
set -e

STATE="$HOME/.soundboard"

# Check if the soundboard is started
if [[ ! -f "$STATE/remap.id" ]]; then
    echo "Soundboard not started"
    exit 1
fi

FILE="$1"
if [[ -z "$FILE" || ! -f "$FILE" ]]; then
    echo "Usage: $0 <audio-file>"
    exit 1
fi

DEFAULT_SINK=$(pactl get-default-sink)

# Start paplay processes in foreground
paplay --device=soundboard_sink "$FILE" &
PID_MIC=$!

paplay --device="$DEFAULT_SINK" "$FILE" &
PID_OUT=$!

# Trap signals to stop both outputs if script is killed
trap "kill $PID_MIC $PID_OUT 2>/dev/null" EXIT INT TERM

# Register paplay PIDs for stop_all.sh
mkdir -p "$STATE"
echo "$PID_MIC" >> "$STATE/playing.pids"
echo "$PID_OUT" >> "$STATE/playing.pids"

# Wait for both streams to finish
wait $PID_MIC $PID_OUT

# Remove these PIDs from PID file when done
sed -i "\|^$PID_MIC\$|d" "$STATE/playing.pids"
sed -i "\|^$PID_OUT\$|d" "$STATE/playing.pids"